Microsoft JScript runtime error: RSClientController is undefined

Running Windows Vista 64 bit, Sql Server 2008 on a remote server. Using ASP.Net and the Report Viewer control on an asp.net page for a local report. Was also using IIS to host the web site instead of using the web server built into Visual Studio 2008.

Searched and tried everything I could find on the net trying to fix this freaking error. On a whim (and because I didn't know what else to do and was trying everything I could think of) changed the IIS 7.0 app pool to the classic app pool. Angels came singing down from the sky and my report worked.

What a PITA! Hope this post helps someone else.

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posted on Wednesday, January 21, 2009 4:15 PM

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# re: Microsoft JScript runtime error: RSClientController is undefined 2/3/2009 4:12 PM Jeff Tu

Your solution helped me. That was great timing as I was getting quite frustrated not knowing what's causing this. Having both 32 and 64bit around just seems to double the amount of bugs, imo.

# re: Microsoft JScript runtime error: RSClientController is undefined 3/2/2009 10:58 PM Param Pavar

This solution also helped me. Thanks a lot. I owe you one

# re: Microsoft JScript runtime error: RSClientController is undefined 3/24/2009 5:34 AM Lextendo

"Hope this post helps someone else"
It sure did! The classic app pool did the trick indeed.

Your post saved the day. Thank you very much.

# re: Microsoft JScript runtime error: RSClientController is undefined 4/14/2009 4:15 PM Lunchy

Changing to classic mode wasn't an option for me (I'm using asp.net mvc). I fixed this by clicking on the application virtual directory in IIS7 and clicking on the 'Handler Mappings' section. Then 'Add Managed Handler'

Request path: Reserved.ReportViewerWebControl.axd

Type: Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a

Name: Reserved.ReportViewerWebControl.axd

Once this was created, it worked fine in the Integraded mode AppPool

# re: Microsoft JScript runtime error: RSClientController is undefined 4/28/2009 12:13 PM gcbrink

Thanks, works like a charm.

# re: Microsoft JScript runtime error: RSClientController is undefined 5/1/2009 7:57 PM ADI GERIMU

Thanks mate, this is realy helped me alot.

# re: Microsoft JScript runtime error: RSClientController is undefined 5/6/2009 2:18 PM Carlos

Hey Lunchy - that was a million dollar comment, I'm also using ASP.NET MVC and had the same issue and now I'm good. Thanks again!!

# re: Microsoft JScript runtime error: RSClientController is undefined 6/3/2009 10:14 PM Phil M

Worked for me too! Any idea why the difference? What's classic versus Integrated pool?

# re: Microsoft JScript runtime error: RSClientController is undefined 7/14/2009 5:28 PM Normstorm

Thank you Lunchy, this frustrated me for hours.

# Microsoft JScript runtime error: 'Type' is undefined 7/15/2009 3:36 AM Anil Kumar

I'm facing the error when I try to create Ajax clientLibrary.js file on visual studio 2008. I just register namespace and class to check it. The error is :
Microsoft JScript runtime error: 'Type' is undefined

# re: Microsoft JScript runtime error: RSClientController is undefined 9/18/2009 1:40 PM Loya

Thanks a lot for putting this on the web :) it helped me.

# re: Microsoft JScript runtime error: RSClientController is undefined 10/16/2009 1:23 AM JR_G

Both solutions worked for me.. thanks mr. poster and lunchy!!!

# re: Microsoft JScript runtime error: RSClientController is undefined 11/4/2009 7:27 AM Mohanish

very thanx man..this works

# DAVETİYE 11/5/2009 6:08 AM davetiye

güzel davetiye örnekleri, davetiye modelleri, düğün davetiyeleri

# re: Microsoft JScript runtime error: RSClientController is undefined 11/9/2009 1:28 AM Sentil

Thanks..it worked for me too

# re: Microsoft JScript runtime error: RSClientController is undefined 11/11/2009 9:26 AM Rob

It did not work for me. Actually recieved an error when trying to map it as if it does not exist. I installed the new version of rsclientprint and then unregistered it and since then I cannot run my reports. Where is this component rendered from or is it an activeX?

# re: Microsoft JScript runtime error: RSClientController is undefined 11/12/2009 3:50 AM Rob

I found my problem. It had to do with authentication. Once, authenticated, it worked. Simple fix...

# re: Microsoft JScript runtime error: RSClientController is undefined 11/16/2009 8:59 PM noyee

perfect......nice one thanx a lot

# re: Microsoft JScript runtime error: RSClientController is undefined 11/19/2009 1:53 PM B2BigAl

Thank you for posting this, I was about ready to blow a gasket trying to figure this out.

# re: Microsoft JScript runtime error: RSClientController is undefined 11/30/2009 11:44 AM nizdiz

i can confirm this worked for me as well.. thank you so much!

# re: Microsoft JScript runtime error: RSClientController is undefined 1/19/2010 7:37 PM 917Stark

Lunchy, thanks very much for the solution!

# re: Microsoft JScript runtime error: RSClientController is undefined 1/20/2010 12:29 PM MJ

God bless the good souls ;-)

# re: Microsoft JScript runtime error: RSClientController is undefined 1/21/2010 3:17 PM AmberCF

Thank you! Thank you! Thank you!

# re: Microsoft JScript runtime error: RSClientController is undefined 1/24/2010 8:34 PM Raju Indukuri

It solved issue and helped me lot.

# re: Microsoft JScript runtime error: RSClientController is undefined 1/28/2010 8:43 AM Asha

Yes angels came down for me tooooooooooo......... thanks

# re: Microsoft JScript runtime error: RSClientController is undefined 1/29/2010 9:26 AM Mo

Thank you very much indeed.

# Add Managed Handler 2/3/2010 7:16 AM Simply Tasteful

Adding the following to your web.config file is equivalent to 'Handler Mappings' in the IIS GUI
<system.webServer>
<handlers>
<add name="Reserved.ReportViewerWebControl.axd" path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" preCondition="integratedMode" />
</handlers>
</system.webServer>

# re: Add Managed Handler 2/3/2010 7:17 AM Simply Tasteful

<system.webServer>
<handlers>
<add name="Reserved.ReportViewerWebControl.axd" path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" resourceType="Unspecified" preCondition="integratedMode" />
</handlers>
</system.webServer>

# re: Microsoft JScript runtime error: RSClientController is undefined 2/4/2010 11:17 PM Mee

Thank you so muchhhh. It's work.

# re: Microsoft JScript runtime error: RSClientController is undefined 3/9/2010 7:46 AM Marcell

Tha helped me too. Thanks a lot!

# re: Microsoft JScript runtime error: RSClientController is undefined 3/16/2010 7:57 PM kar

Thanks. You just saved me countless hours.

# re: Microsoft JScript runtime error: RSClientController is undefined 3/26/2010 6:33 AM Karl

Thanks. You're a star. Solved me problem.

# re: Microsoft JScript runtime error: RSClientController is undefined 4/21/2010 8:44 AM Saurabh

It works perfectly ..... thanks

# re: Microsoft JScript runtime error: RSClientController is undefined 4/21/2010 8:45 AM Umesh

Thanks , Works Great

# re: Microsoft JScript runtime error: RSClientController is undefined 4/22/2010 1:11 PM initdotd

Launchy's Handler Mapping approach worked for me!!!

Here is the post from above:

Changing to classic mode wasn't an option for me (I'm using asp.net mvc). I fixed this by clicking on the application virtual directory in IIS7 and clicking on the 'Handler Mappings' section. Then 'Add Managed Handler'

Request path: Reserved.ReportViewerWebControl.axd

Type: Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a

Name: Reserved.ReportViewerWebControl.axd

Once this was created, it worked fine in the Integraded mode AppPool

# re: Microsoft JScript runtime error: RSClientController is undefined 6/16/2010 7:05 AM John Thomas

Yes worked for me as well the intial solution of changing the apppool to classic

# re: Microsoft JScript runtime error: RSClientController is undefined 7/19/2010 1:12 AM Jitendra

Thanks a lot, this helped me too :)

# re: Microsoft JScript runtime error: RSClientController is undefined 8/4/2010 7:29 AM Forex

Thanks for the solution

# re: Microsoft JScript runtime error: RSClientController is undefined 8/6/2010 11:18 PM AAA

thanx , you have revived me. let men not installing another server. and then downgarde it to 32 bit

# re: Microsoft JScript runtime error: RSClientController is undefined 8/25/2010 3:40 PM MA

Thanks a lot. Both solutions work fine.

# re: Microsoft JScript runtime error: RSClientController is undefined 9/1/2010 1:54 PM Jluisrf

Thanks! Thanks! Thanks! Thanks! Thanks! Thanks! Thanks! Thanks! Thanks a lot!!!!!!! You rescue-me from hell!!!!

# re: Microsoft JScript runtime error: RSClientController is undefined 9/20/2010 5:45 AM Lorenzos

Thanks man, you're a genious, you saved my day!!!!!

# re: Microsoft JScript runtime error: RSClientController is undefined 9/25/2010 12:45 PM Ahmed Said

thank you very very very much

# re: Microsoft JScript runtime error: RSClientController is undefined 10/5/2010 6:14 PM Dave Nicolas

Great Find! You saved me HOURS of work!!!! thanks a million!

# Re:Add Managed Handler 2/3/2010 7:17 AM Simply Tasteful 10/7/2010 1:05 AM Naresh Mittal

Thank you Mr Genious. You certainly saved lot of my time with your findings.

# re: Microsoft JScript runtime error: RSClientController is undefined 11/1/2010 4:05 PM Drew

1.5 Months of banging my head... And this post fixed it!

# re: Microsoft JScript runtime error: RSClientController is undefined 11/3/2010 10:14 AM Arezou

It helped me. thanks a lot.

# re: Microsoft JScript runtime error: RSClientController is undefined 1/12/2011 4:17 PM MrKazoo

Thank you! Thank you! Thank you! Saved us hours of grief!

# re: Microsoft JScript runtime error: RSClientController is undefined 1/26/2011 8:26 PM Dan

Awsome. Just installed all new stuff on a new laptop, got this issue. Thanks!

# re: Microsoft JScript runtime error: RSClientController is undefined 2/17/2011 10:33 AM Kiran Kumar Appam

This post really helped to quickly fix the problem. Thanks a lot.

# re: Microsoft JScript runtime error: RSClientController is undefined 4/11/2011 9:31 AM roadrunner

Wow. This did work for me. Thanks a lot!!!!

# re: Microsoft JScript runtime error: RSClientController is undefined 4/19/2011 11:52 PM hamid

Microsoft JScript runtime error: RSClientController is undefined

# re: Microsoft JScript runtime error: RSClientController is undefined 6/30/2011 4:40 PM Jeff Balcerzak

Perfecto - switching to the classic pool blew up other parts of our site, but adding the handler did the trick.

# re: Microsoft JScript runtime error: RSClientController is undefined 7/13/2011 9:56 AM Carlos alejo

just change your app pool to .net classic that's all

# re: Microsoft JScript runtime error: RSClientController is undefined 7/18/2011 4:11 AM waleed

this has helped me too. thanks a lot

# re: Microsoft JScript runtime error: RSClientController is undefined 7/28/2011 3:21 AM Mohammed Sayeed

after modifying the web.config file it is working fine.

<system.webServer>
<handlers>
<add name="Reserved.ReportViewerWebControl.axd" path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" resourceType="Unspecified" preCondition="integratedMode" />
</handlers>
</system.webServer>

Thanks.

# re: Microsoft JScript runtime error: RSClientController is undefined 8/24/2011 5:08 AM May

Thank you very much!!!
It work!!!

<system.webServer>
<handlers>
<add name="Reserved.ReportViewerWebControl.axd" path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" resourceType="Unspecified" preCondition="integratedMode" />
</handlers>
</system.webServer>

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# re: Microsoft JScript runtime error: RSClientController is undefined 10/25/2011 7:53 AM Regeesh

My reports are not working when it is taken through my application. It is showing the error as 'RSClientController is undefined ' But it is working from the report manager. I am using Windoes Server 2008 R2 Enterprise and SQL Server 2008. I tried the solutions provided here like adding the handlers in the web.config file.

Wes Weeks

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